添加Avalonia项目的demo

Serein.Workbench.Avalonia/App.axaml

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+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="Serein.Workbench.Avalonia.App"
+             xmlns:cv="clr-namespace:Serein.Workbench.Avalonia.Custom.Views"
+             
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+    <Application.Styles>
+        <FluentTheme />
+      
+    </Application.Styles>
+  <Application.Resources>
+    <ResourceDictionary>
+      <ResourceDictionary.MergedDictionaries>
+        <!--自定义控件：依赖信息-->
+        <ResourceInclude Source="/Custom/Views/FlowLibraryInfoView.axaml" />
+      </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
+  </Application.Resources>
+</Application>